Transpose Matrix

转置矩阵. 常规操作

class Solution {
    public int[][] transpose(int[][] A) {
        int[][] res = new int[A[0].length][A.length];
        int row = 0;
        int col = 0;
        for(int i = 0; i < A.length; i++) {
            for(int j = 0; j < A[0].length; j++) {
                res[row++][col] = A[i][j];
            }
            row = 0;
            col++;
        }
        return res;
    }
}